15 research outputs found
Flagships and tumbleweed: A history of the politics of gender justice work in Oxfam GB 1986–2015
This article contributes to scholarship on the political nature of feminists’ work in international development NGOs. The case study of Oxfam GB (OGB) is contemporary history, based on compiling a brief history of gender justice work between 1986 and 2014 and 18 months of part-time participant-observation fieldwork during 2014–15. I describe funding pressures and imperatives, contestations of meaning and power struggles within OGB and argue that gender justice becomes entangled in both internal and the external politics of international development. This is part of a wider research programme about how ideas on gender equality norms travel between and around development organizations, so I finally draw conclusions about how norms are contested and embodied. The shapeshifting political nature of feminist work challenges prevailing theories about how norms and ideas travel and take hold within organizations
Are ribosomal DNA clusters rearrangement hotspots? A case study in the genus Mus (Rodentia, Muridae)
<p>Abstract</p> <p>Background</p> <p>Recent advances in comparative genomics have considerably improved our knowledge of the evolution of mammalian karyotype architecture. One of the breakthroughs was the preferential localization of evolutionary breakpoints in regions enriched in repetitive sequences (segmental duplications, telomeres and centromeres). In this context, we investigated the contribution of ribosomal genes to genome reshuffling since they are generally located in pericentromeric or subtelomeric regions, and form repeat clusters on different chromosomes. The target model was the genus <it>Mus </it>which exhibits a high rate of karyotypic change, a large fraction of which involves centromeres.</p> <p>Results</p> <p>The chromosomal distribution of rDNA clusters was determined by <it>in situ </it>hybridization of mouse probes in 19 species. Using a molecular-based reference tree, the phylogenetic distribution of clusters within the genus was reconstructed, and the temporal association between rDNA clusters, breakpoints and centromeres was tested by maximum likelihood analyses. Our results highlighted the following features of rDNA cluster dynamics in the genus <it>Mus</it>: i) rDNA clusters showed extensive diversity in number between species and an almost exclusive pericentromeric location, ii) a strong association between rDNA sites and centromeres was retrieved which may be related to their shared constraint of concerted evolution, iii) 24% of the observed breakpoints mapped near an rDNA cluster, and iv) a substantial rate of rDNA cluster change (insertion, deletion) also occurred in the absence of chromosomal rearrangements.</p> <p>Conclusions</p> <p>This study on the dynamics of rDNA clusters within the genus <it>Mus </it>has revealed a strong evolutionary relationship between rDNA clusters and centromeres. Both of these genomic structures coincide with breakpoints in the genus <it>Mus</it>, suggesting that the accumulation of a large number of repeats in the centromeric region may contribute to the high level of chromosome repatterning observed in this group. However, the elevated rate of rDNA change observed in the chromosomally invariant clade indicates that the presence of these sequences is insufficient to lead to genome instability. In agreement with recent studies, these results suggest that additional factors such as modifications of the epigenetic state of DNA may be required to trigger evolutionary plasticity.</p
Unprecedented within-species chromosome number cline in the Wood White butterfly Leptidea sinapis and its significance for karyotype evolution and speciation
Background: Species generally have a fixed number of chromosomes in the cell nuclei while between-species differences are common and often pronounced. These differences could have evolved through multiple speciation events, each involving the fixation of a single chromosomal rearrangement. Alternatively, marked changes in the karyotype may be the consequence of within-species accumulation of multiple chromosomal fissions/fusions, resulting in highly polymorphic systems with the subsequent extinction of intermediate karyomorphs. Although this mechanism of chromosome number evolution is possible in theory, it has not been well documented. Results: We present the discovery of exceptional intraspecific variability in the karyotype of the widespread Eurasian butterfly Leptidea sinapis. We show that within this species the diploid chromosome number gradually decreases from 2n = 106 in Spain to 2n = 56 in eastern Kazakhstan, resulting in a 6000 km-wide cline that originated recently (8,500 to 31,000 years ago). Remarkably, intrapopulational chromosome number polymorphism exists, the chromosome number range overlaps between some populations separated by hundreds of kilometers, and chromosomal heterozygotes are abundant. We demonstrate that this karyotypic variability is intraspecific because in L. sinapis a broad geographical distribution is coupled with a homogenous morphological and genetic structure. Conclusions: The discovered system represents the first clearly documented case of explosive chromosome number evolution through intraspecific and intrapopulation accumulation of multiple chromosomal changes. Leptidea sinapis may be used as a model system for studying speciation by means of chromosomally-based suppressed recombination mechanisms, as well as clinal speciation, a process that is theoretically possible but difficult to document. The discovered cline seems to represent a narrow time-window of the very first steps of species formation linked to multiple chromosomal changes that have occurred explosively. This case offers a rare opportunity to study this process before drift, dispersal, selection, extinction and speciation erase the traces of microevolutionary events and just leave the final picture of a pronounced interspecific chromosomal difference
Gender mainstreaming in development organisations: policy, practice and institutional change
‘Gender and Development’ (GAD) is currently seen as the dominant theoretical model within international development for promoting social justice and equality for women. As a consequence, many development organisations are undertaking gender mainstreaming. The most interesting fact about the vast number of analyses about gender mainstreaming is the consistency with which they tell of GAD influenced policies failing to implement GAD approaches in practice. This should raise suspicion rather than simple condemnation. It is time to ask: ‘How are, often very progressive, gender policies and strategies consistently silenced across the range of organisational contexts?’ This thesis focuses upon the contemporary process of gender mainstreaming in development organisations – a term that specifically refers to a ‘process of organisational change’ that aims to explicitly develop the ‘use of GAD approaches within all projects and programmes’ of development institutions in order to achieve ‘a vision of development that creates gender equitable social change’ in society. Moreover, it takes an approach that specifically details the ‘organisational process’ element of change inferred in the term. As such, this thesis uses the literature of organisational culture as a lens to make previously unnoticed and submerged sites of conflict and acts of resistance visible, allowing an understanding to be gained of how gender mainstreaming has so consistently faced a policy-practice impasse. It develops this analysis using an in-depth case study of Oxfam GB and demonstrates that the process of gender mainstreaming in the organisation has resulted in the removal of ‘responsibility for’ implementing GAD approaches among staff in the organisation. It goes on to highlight that the unwillingness of development organisations and practitioners to recognise gender mainstreaming as an explicitly feminist and political process of change directly couched at the level of the organisation and not just at the level of the actual development project (or society more widely) has resulted in the ‘process of organisational change’ becoming rationalised and technical rather than personal and politically charged. In reaching this understanding of gender mainstreaming, the thesis develops an awareness of organisational change processes and highlights that ‘norms’ and ‘values’ in organisations are often confused. This confusion has led to an ineffective process of change in institutions as well as a poor conceptualisation and practice of gender mainstreaming in international development